Question

(1) Σx = 50 then Σ10x = ?
(2) tanθ = cotθ then the value of θ is ?

Answer 1

if a car trave67.5 km in4.5 litre of petrol ,how many kilometres will it travel 26.4 litre of petrol

Answer 2

1) 10×50 =500
2) 45°

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